How to Propagate woad?
Propagate by seed, sown in autumn in a seed bed and transplanted in spring, or sown in spring in its intended planting place

woad · Isatis tinctoria
Also known as: ash of Jerusalem; common dyer's weed; dyer's weed; dyer's woad; Jerusalem ash
Grow in well-drained, preferably neutral or alkaline soil, in full sun; it tolerates poor infertile soils
Propagate by seed, sown in autumn in a seed bed and transplanted in spring, or sown in spring in its intended planting place